COM 0876.002 2008-2010 - Laserfiche WebLink

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a = Nonfenestration U- Factors shall be obtained from measurement, calculation or an approved source. b = The mass wall U- Factor shall be a maximum of 0.17 when more than half the insulation is on the interior." (19) Deleting Section 402.2.1 and Section 402.2.2. Section 402.2.1 and Section 402.2.2 are deleted. (20) Amending Section 402.2.5. Section 402.2.5 is amended by amending the "Exception" paragraph to read as follows: "Exception: The continuous insulation requirements in Table 402.2.5 shall be permitted to be reduced to R -3 for steel frame wall assemblies with studs spaced at 24 inches (610 mm) on center." (21) Deleting Section 402.2.6, Section 402.2.7, Section 402.2.8, and Section 402.2.9. Section 402.2.6, Section 402.2.7, Section 402.2.8, and Section 402.2.9 are deleted. (22) Amending Section 402.2.11. Section 402.2.11 is amended to read: "402.2.11 Thermally isolated sunroom insulation. The minimum ceiling and wall insulation R -Value shall be R -13. New wall(s) separating a sunroom from conditioned space shall meet the building thermal envelope requirements." (23) Amending Section 402.3.3. Section 402.3.3 is amended to read as follows: "402.3.3. Glazed fenestration exemption. Up to 15 square feet (1.4m of glazed fenestration per dwelling unit shall be permitted to be exempt from U- factor and SHGC requirements in Section 402.1.1. North- facing windows and fully shaded windows shall be permitted to be exempt for SHGC requirements in Section 402.1.1. This exemption shall not apply to the U- factor alternative approach in Section 402.1.3 and the Total UA alternative in Section 402.1.4. SHGC requirement for jalousie windows shall be 0.65." 9